Titlebook: Astrophysical Jets; Proceedings of an In A. Ferrari,A. G. Pacholczyk Conference proceedings 1983 D. Reidel Publishing Company, Dordrecht, H

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https://doi.org/10.1007/978-94-009-7186-8Accretion; CCD; Redshift; galaxy; quasar; relativistic jet

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https://doi.org/10.1057/9780230229846jets, 3. Current instrumental limits to VLBI, 4. Observational material (1981/1982), 5. Radio nuclei of powerful radio sources, 6. Radio nuclei of weak radio sources (Seyfert galaxies and mildly active “normal” galaxies), 7. Concluding remarks. The tables attached include lists of objects and sample

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https://doi.org/10.1057/9780230229846of all strong sources in surveys made at ? 1 GHz. Compact sources usually have high radio luminosities and are found at high redshifts. At such distances the linear scales being discussed are ? 20 kpc so the majority of the radio emission arises within the parent galaxy. Some of the sources have pro

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Foucault on the Politics of Parrhesia) motions in the cores of some extragalactic objects. A thorough review of the subject was given at the I.A.U. Symposium No. 97 in Albuquerque last year (Cohen and Unwin, 1982). Since then a number of papers have been published, reporting in detail the most recent observational results on individual

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Die ?Dramatik des wahren Diskurses“ is made between the structures found in straight and bent jets. It is demonstrated that the curvature of jets associated with narrow-angle tailed galaxies can provide a strong constraint on the average velocity of the plasma flow -- a contraint not possible for straight jets. It is also shown that

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https://doi.org/10.1007/978-3-658-22789-0that a large number of these sources display a jet-like structure on angular scale of milliarcseconds. Furthermore, observations on arcsecond scale show that very often the sources have large scale structures in addition to their compact core.